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NISOURCE INC. (NI) major ownership & activist stakes

13G Passive 5%+ stake (13G)
filed 2026-04-30
SEC.gov →
13G Passive 5%+ stake (13G)
filed 2026-04-29
SEC.gov →
13G/A Passive 5%+ stake (13G) — amendment
filed 2026-03-27
SEC.gov →
13G/A Passive 5%+ stake (13G) — amendment
filed 2025-12-05
SEC.gov →
13G/A Passive 5%+ stake (13G) — amendment
filed 2025-08-14
SEC.gov →
13G Passive 5%+ stake (13G)
filed 2025-05-14
SEC.gov →
13G Passive 5%+ stake (13G)
filed 2025-05-13
SEC.gov →
13G Passive 5%+ stake (13G)
filed 2025-02-04
SEC.gov →
13G/A Passive 5%+ stake (13G) — amendment
filed 2024-09-10
SEC.gov →
13G/A Passive 5%+ stake (13G) — amendment
filed 2024-02-13
SEC.gov →
13G/A Passive 5%+ stake (13G) — amendment
filed 2024-01-29
SEC.gov →
13G/A Passive 5%+ stake (13G) — amendment
filed 2024-01-24
SEC.gov →

A 13D signals a large holder who may push for change; a 13G is a passive 5%+ position. Who the filer is and what they want is decoded in the app.

Who just took a 5%+ position in NI — and are they activists? Get the filer and their intent in plain English.

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Decoded filings for NI